Notes on installing brake wear indicator contact sensors - AH42.10-P-0003-01RG

WARNING: This page does not describe the selected car, but rather 199 other vehicles, including the 2020 Mercedes-Benz SLC300, 2020 Mercedes-Benz SL550, 2020 Mercedes-Benz SL450, 2020 Mercedes-Benz S65 AMG, and 2020 Mercedes-Benz GLA250. However, it is still accessible from the selected car via links, so may be relevant.

MODEL 190

Front axle:

Two brake wear sensors are installed on the right-side of the vehicle.

Rear axle

One brake wear sensor is installed on the left side of the vehicle.

Front axle

Fig 1: Identifying Right Front Brake Wear Sensor & Electrical Connector

Courtesy of MERCEDES-BENZ USA

Rear axle

Fig 2: Identifying Left Rear Brake Wear Sensor & Electrical Connector

Courtesy of MERCEDES-BENZ USA

For reasons of replacement part simplification, the brake pads must be installed so that the brake wear sensors can be installed in the corresponding installation position.

The corresponding installation position for the brake wear sensors is as follows:

Front-axle version 5 and 6
Rear-axle version 8

Fig 3: Identifying Brake Wear Sensor Installation Position
Courtesy of MERCEDES-BENZ USA